16892980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 22225484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1511, 2236, 2795, 3022, 5590, 6044, 7555, 11180, 15110, 19643, 30220, 39286, 64973, 78572, 98215, 129946, 196430, 259892, 324865, 392860, 649730, 844649, 1299460, 1689298, 3378596, 4223245, 8446490, 16892980]

約数ペア:

[(1, 16892980), (2, 8446490), (4, 4223245), (5, 3378596), (10, 1689298), (13, 1299460), (20, 844649), (26, 649730), (43, 392860), (52, 324865), (65, 259892), (86, 196430), (130, 129946), (172, 98215), (215, 78572), (260, 64973), (430, 39286), (559, 30220), (860, 19643), (1118, 15110), (1511, 11180), (2236, 7555), (2795, 6044), (3022, 5590)]